Finding the Fourth Proportional to 245,203.02, 367,758.40 and 76,698.09
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Solution
The fourth proportional to 245,203.02, 367,758.40 and 76,698.09 is: 115,032.71
Step by Step Solution
- Step 1: Write the proportion equation
245,203.02 : 367,758.40 = 76,698.09 : x - Step 2: Convert to fraction form
245,203.02/367,758.40 = 76,698.09/x - Step 3: Cross multiply
245,203.02x = 367,758.40 × 76,698.09 - Step 4: Simplify right side
245,203.02x = 28,206,367,029.23 - Step 5: Solve for x
x = 28,206,367,029.23/245,203.02 - Step 6: Final answer
x = 115,032.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.